1690003250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1571}}^1$

素因数の和:1932

約数の個数: 64

約数和(自身を含む): 3419515008

約数和(自身を除く): 1729511758

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 331, 650, 662, 1571, 1625, 1655, 3142, 3250, 3310, 4303, 7855, 8275, 8606, 15710, 16550, 20423, 21515, 39275, 40846, 41375, 43030, 78550, 82750, 102115, 107575, 196375, 204230, 215150, 392750, 510575, 520001, 537875, 1021150, 1040002, 1075750, 2552875, 2600005, 5105750, 5200010, 6760013, 13000025, 13520026, 26000050, 33800065, 65000125, 67600130, 130000250, 169000325, 338000650, 845001625, 1690003250]

約数ペア:

[(1, 1690003250), (2, 845001625), (5, 338000650), (10, 169000325), (13, 130000250), (25, 67600130), (26, 65000125), (50, 33800065), (65, 26000050), (125, 13520026), (130, 13000025), (250, 6760013), (325, 5200010), (331, 5105750), (650, 2600005), (662, 2552875), (1571, 1075750), (1625, 1040002), (1655, 1021150), (3142, 537875), (3250, 520001), (3310, 510575), (4303, 392750), (7855, 215150), (8275, 204230), (8606, 196375), (15710, 107575), (16550, 102115), (20423, 82750), (21515, 78550), (39275, 43030), (40846, 41375)]